The cost of one-on-one English lessons with a foreign teacher can vary depending on factors such as the teachers qualifications and experience, the location of the lessons, and the number of lessons booked. Generally, one-on-one lessons with a foreign teacher can be more expensive than group classes, but they offer personalized attention and customized lessons that can help students improve their English skills more quickly. Its important to research and compare options to find a teacher and program that fits your budget and goals.